The DICT Development Group
1 definition found
for To work the goaf
From The Collaborative International Dictionary of English v.0.48 :
Goaf \Goaf\; n.; pl. Goafsor Goaves. [Cf. 1st Gob.]
That part of a mine from which the mineral has been partially
or wholly removed; the waste left in old workings; -- called
also gob .
To work the goaf or To work the gob, to remove the
pillars of mineral matter previously left to support the
roof, and replace them with props. --Ure.
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